Side-Lying Weighted Shoulder Bottle External Rotation
Strengthen your rotator cuff with this simple exercise. Grab a bottle and get rotating!
The Side-Lying Weighted Shoulder Bottle External Rotation mainly works the shoulders, with help from the back. No equipment needed: it uses just your bodyweight.

Optional Equipment

Side-Lying Weighted Shoulder Bottle External Rotation Muscles Worked
Primary
Rotator Cuff (infraspinatus); Small Rotator (teres minor)
Secondary
Rear Shoulder (Delts) (posterior deltoid); Lats (latissimus dorsi)
Side-Lying Weighted Shoulder Bottle External Rotation Variations and Alternatives
How to do the Side-Lying Weighted Shoulder Bottle External Rotation
Positioning:
Lie on your side on a mat or comfortable surface.
Make sure your body is in a straight line from your head to your feet.
Keep your legs extended straight and stacked on top of each other.
Place the water bottle in the hand of the arm that is away from the ground.
Rest your head on your lower arm or on a pillow to keep your neck comfortable.
Movement:
Start with your arm (holding the bottle) bent at a 90-degree angle at the elbow, with your forearm pointing towards the ground.
Engage your core muscles to maintain stability.
Slowly lift your forearm upward while keeping your elbow pressed against your side. Your arm should rotate outward.
Raise the weight until your forearm is at a 90-degree angle to your torso.
Pause for a moment at the top of the movement.
Slowly lower your forearm back to the starting position.
Repeat this movement for 10-15 repetitions.
Switch sides and repeat the exercise with the other arm.
Tips:
Focus on controlled movements rather than speed.
Keep your shoulder relaxed and avoid shrugging as you lift the weight.
If the bottle feels too heavy, use a lighter object to start with.
Side-Lying Weighted Shoulder Bottle External Rotation FAQs
What muscles does the Side-Lying Weighted Shoulder Bottle External Rotation work?
The Side-Lying Weighted Shoulder Bottle External Rotation mainly works the shoulders, with help from the back. The main muscles are the infraspinatus and teres minor.
What equipment do you need for the Side-Lying Weighted Shoulder Bottle External Rotation?
None. The Side-Lying Weighted Shoulder Bottle External Rotation is a bodyweight exercise, so you can do it anywhere.
What workout day should the Side-Lying Weighted Shoulder Bottle External Rotation go on?
It belongs on push day in a push/pull/legs routine.
What are some Side-Lying Weighted Shoulder Bottle External Rotation variations and alternatives?
Similar exercises include the Bodyweight Lying Shoulder External Rotation, Bottle-Weight Lateral Raise, Dumbbell Lying Shoulder External Rotation and Dumbbell Supported Shoulder External in Rotation.
Training calculators
Work out the numbers behind your training before your next session.





